freebsd-skq/lib/csu/common/crtend.c
Andrew Turner e5c0fd4be6 Add the missing 0 at the end of the .jcr section.
Without this the dynamic library test was failing as it was calling
_Jv_RegisterClasses multiple times.
2018-11-24 18:23:53 +00:00

68 lines
1.9 KiB
C

/*-
* SPDX-License-Identifier: BSD-1-Clause
*
* Copyright 2018 Andrew Turner
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "crt.h"
#ifdef HAVE_CTORS
typedef void (*crt_func)(void);
/*
* On some architectures and toolchains we may need to call the .ctors.
* These are called in the reverse order they are in the ELF file.
*/
static void __do_global_ctors_aux(void) __used;
static crt_func __CTOR_END__[] __section(".ctors") __used = {
(crt_func)0
};
static crt_func __DTOR_END__[] __section(".dtors") __used = {
(crt_func)0
};
static crt_func __JCR_LIST__[] __section(".jcr") __used = {
(crt_func)0
};
static void
__do_global_ctors_aux(void)
{
crt_func fn;
int n;
for (n = 1;; n++) {
fn = __CTOR_END__[-n];
if (fn == (crt_func)0 || fn == (crt_func)-1)
break;
fn();
}
}
asm (
".pushsection .init \n"
"\t" INIT_CALL_SEQ(__do_global_ctors_aux) "\n"
".popsection \n"
);
#endif